WmAl Posted October 22, 2008 Share #1 Posted October 22, 2008 Advertisement (gone after registration) M8 & 35mm Summilux This hasn't happen since FW1.201. I don't think the bright light theory is correct because all scenes before and after are in same lighting scenario. Heavy overcast for entire trip. Has this occurred to anyone else with FW 2.0? Shot over 4000 photos. Link to post Share on other sites More sharing options...
Advertisement Posted October 22, 2008 Posted October 22, 2008 Hi WmAl, Take a look here Nasty Green Streak Again!. I'm sure you'll find what you were looking for!
Shootist Posted October 22, 2008 Share #2 Posted October 22, 2008 No that's the same as before. Bright light right at the edge of the frame on the short sides of the sensor. If you had raised or lowered the camera/sensor just a bit this wouldn't happen. And I think it happens when the light at the edge is much brighter then the rest of the scene. Not just a Bright/Bright/Bright light. Link to post Share on other sites More sharing options...
gravastar Posted October 22, 2008 Share #3 Posted October 22, 2008 Shootist is correct. If I deliberately set out to make both cameras do this then I can produce the green streak - even with the latest 2.00 firmware. Bob. Link to post Share on other sites More sharing options...
marknorton Posted October 22, 2008 Share #4 Posted October 22, 2008 Yes, business as usual, and there's no sign of anything changed in the M8.2. My proposed firmware solution either didn't work or was too much effort... Link to post Share on other sites More sharing options...
WmAl Posted October 22, 2008 Author Share #5 Posted October 22, 2008 No that's the same as before. Bright light right at the edge of the frame on the short sides of the sensor.If you had raised or lowered the camera/sensor just a bit this wouldn't happen. And I think it happens when the light at the edge is much brighter then the rest of the scene. Not just a Bright/Bright/Bright light. Shootist: Is this more likely to happen when shooting in vertical framing? Then why isn't there more flare at same time? How about a longer lens hood? Thanks to everyone for your help! Link to post Share on other sites More sharing options...
stunsworth Posted October 22, 2008 Share #6 Posted October 22, 2008 If occurs when a very bright object is _just_ outside the frame. A longer lenshood is unlikely to help as it wouldn't have the accuracy needed to mask the pixels that appear to cause the problem. Link to post Share on other sites More sharing options...
scott kirkpatrick Posted October 22, 2008 Share #7 Posted October 22, 2008 Advertisement (gone after registration) The green streak is believed to occur when light gets under the black mask right at the edge of the Kodak CCD and messes up the zero level for that horizontal row. It only affects one side of the frame because the two sides are read out independently. Leica has said that it can't be fixed with only firmware, which means it isn't going to go away until there is a newer CCD chip. I have one sample (in about 15000 exposures), but I didn't go looking for it. However, this example is a little unusual in that it is weakest at the edges and strongest in the center just before it stops. Perhaps that is because the light at the edge is very strong but not point-like. scott Link to post Share on other sites More sharing options...
pleeson Posted October 22, 2008 Share #8 Posted October 22, 2008 Seems kind of sad for a $5500 camera, really.... Link to post Share on other sites More sharing options...
stunsworth Posted October 22, 2008 Share #9 Posted October 22, 2008 Seems kind of sad for a $5500 camera, really.... Maybe, but it doesn't appear to be a common problem. I've had it happen on 2 out of over 16,000 frames - and those two were on consecutive frames of the same subject. Link to post Share on other sites More sharing options...
luigi bertolotti Posted October 22, 2008 Share #10 Posted October 22, 2008 Maybe, but it doesn't appear to be a common problem. I've had it happen on 2 out of over 16,000 frames - and those two were on consecutive frames of the same subject. Confirm... I succeded time ago in obtaining it, after some trials at home with a lamp at border-frame... few centimeters of displacement were sufficient to have or not to have this green band. Link to post Share on other sites More sharing options...
Olsen Posted October 22, 2008 Share #11 Posted October 22, 2008 This looks similar to a few frames I got with my Canon 1Ds. It happened when the sun or a light source was in the frame. I have no idea what the cause is. Link to post Share on other sites More sharing options...
Shootist Posted October 22, 2008 Share #12 Posted October 22, 2008 I have no idea what the cause is. The cause is stated earlier in this thread and has been talked about many times in the past 2 years. Link to post Share on other sites More sharing options...
j_lir Posted October 22, 2008 Share #13 Posted October 22, 2008 I have had countless examples as I shoot into stage lights when capturing live performances. Leica's responce - "deal with it" my responce - WTF??? Link to post Share on other sites More sharing options...
caparobertsan Posted October 22, 2008 Share #14 Posted October 22, 2008 "Avoid strong light(spot light situation) close to the edge of images, it might cause green streak on the image." <-----Please see manual book page 32:D Link to post Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.